<template>
  <a-card :bordered="false">
    <!-- 操作按钮区域 -->
    <div class="table-operator bgs">
      <a-button @click="handleAdd" type="primary" icon="plus">新增</a-button>
      <a-button
        @click="batchDel"
        v-if="selectedRowKeys.length > 0"
        ghost
        type="primary"
        icon="delete"
        >批量删除
      </a-button>
    </div>

    <!-- table区域-begin -->
    <div>
      <div class="ant-alert ant-alert-info" style="margin-bottom: 16px">
        <i class="anticon anticon-info-circle ant-alert-icon"></i>已选择&nbsp;<a
          style="font-weight: 600"
          >{{ selectedRowKeys.length }}</a
        >项&nbsp;&nbsp;
        <a style="margin-left: 24px" @click="onClearSelected">清空</a>
      </div>

      <a-table
        class="right-bottom"
        :columns="columns"
        :scroll="{ y: 'calc(100vh - 350px)' }"
        size="middle"
        :pagination="false"
        :dataSource="dataSource"
        :loading="loading"
        @expand="expandSubmenu"
        :expandedRowKeys="expandedRowKeys"
        :rowSelection="{
          selectedRowKeys: selectedRowKeys,
          onChange: onSelectChange,
        }"
        @expandedRowsChange="handleExpandedRowsChange"
      >
        <span slot="action" slot-scope="text, record">
          <a @click="handleEdit(record)">编辑</a>

          <a-divider type="vertical" />
          <a-dropdown>
            <a class="ant-dropdown-link"> 更多 <a-icon type="down" /> </a>
            <a-menu slot="overlay">
              <a-menu-item>
                <a href="javascript:;" @click="handleDetail(record)">详情</a>
              </a-menu-item>
              <a-menu-item>
                <a href="javascript:;" @click="handleAddSub(record)"
                  >添加下级</a
                >
              </a-menu-item>
              <a-menu-item>
                <a href="javascript:;" @click="handleDataRule(record)"
                  >数据规则</a
                >
              </a-menu-item>

              <a-menu-item>
                <a-popconfirm
                  title="确定删除吗?"
                  @confirm="() => handleDelete(record.id)"
                  placement="topLeft"
                >
                  <a>删除</a>
                </a-popconfirm>
              </a-menu-item>
            </a-menu>
          </a-dropdown>
        </span>
        <!-- 字符串超长截取省略号显示 -->
        <span slot="url" slot-scope="text">
          <j-ellipsis :value="text" :length="25" />
        </span>
        <!-- 字符串超长截取省略号显示-->
        <span slot="component" slot-scope="text">
          <j-ellipsis :value="text" />
        </span>
      </a-table>
    </div>
    <!-- table区域-end -->

    <permission-modal ref="modalForm" @ok="modalFormOk"></permission-modal>
    <permission-data-rule-list
      ref="PermissionDataRuleList"
      @ok="modalFormOk"
    ></permission-data-rule-list>
  </a-card>
</template>

<script>
import PermissionModal from "./modules/PermissionModal";
import {
  getSystemMenuList,
  getSystemSubmenu,
  getSystemSubmenuBatch,
} from "@/api/api";
import { JeecgListMixin } from "@/mixins/JeecgListMixin";
import PermissionDataRuleList from "./PermissionDataRuleList";
import JEllipsis from "@/components/jeecg/JEllipsis";

const columns = [
  {
    title: "菜单名称",
    dataIndex: "name",
    key: "name",
  },
  {
    title: "菜单类型",
    dataIndex: "menuType",
    key: "menuType",
    customRender: function (text) {
      if (text == 0) {
        return "菜单";
      } else if (text == 1) {
        return "菜单";
      } else if (text == 2) {
        return "按钮/权限";
      } else {
        return text;
      }
    },
  },
  /*{
      title: '权限编码',
      dataIndex: 'perms',
      key: 'permissionCode',
    },*/ {
    title: "icon",
    dataIndex: "icon",
    key: "icon",
  },
  {
    title: "组件",
    dataIndex: "component",
    key: "component",
    scopedSlots: { customRender: "component" },
  },
  {
    title: "路径",
    dataIndex: "url",
    key: "url",
    scopedSlots: { customRender: "url" },
  },
  {
    title: "排序",
    dataIndex: "sortNo",
    key: "sortNo",
  },
  {
    title: "操作",
    dataIndex: "action",
    scopedSlots: { customRender: "action" },
    align: "center",
    width: 150,
  },
];

export default {
  name: "PermissionListAsync",
  mixins: [JeecgListMixin],
  components: {
    PermissionDataRuleList,
    PermissionModal,
    JEllipsis,
  },
  data() {
    return {
      description: "这是菜单管理页面",
      // 表头
      columns: columns,
      loading: false,
      // 展开的行，受控属性
      expandedRowKeys: [],
      url: {
        list: "/sys/permission/list",
        delete: "/sys/permission/delete",
        deleteBatch: "/sys/permission/deleteBatch",
      },
    };
  },
  methods: {
    loadData() {
      this.loading = true;
      getSystemMenuList()
        .then((res) => {
          if (res.success) {
            this.dataSource = res.result;
            return this.loadDataByExpandedRows(this.dataSource);
          }
        })
        .finally(() => {
          this.loading = false;
        });
    },
    expandSubmenu(expanded, record) {
      if (expanded && (!record.children || record.children.length === 0)) {
        getSystemSubmenu({ parentId: record.id }).then((res) => {
          if (res.success) {
            record.children = res.result;
          }
        });
      }
    },
    // 根据已展开的行查询数据（用于保存后刷新时异步加载子级的数据）
    loadDataByExpandedRows(dataList) {
      if (this.expandedRowKeys.length > 0) {
        return getSystemSubmenuBatch({
          parentIds: this.expandedRowKeys.join(","),
        }).then((res) => {
          if (res.success) {
            let childrenMap = res.result;
            let fn = (list) => {
              if (list && list.length > 0) {
                list.forEach((data) => {
                  if (this.expandedRowKeys.includes(data.id)) {
                    data.children = childrenMap[data.id];
                    fn(data.children);
                  }
                });
              }
            };
            fn(dataList);
          }
        });
      } else {
        return Promise.resolve();
      }
    },
    // 打开数据规则编辑
    handleDataRule(record) {
      this.$refs.PermissionDataRuleList.edit(record);
    },
    handleAddSub(record) {
      this.$refs.modalForm.title = "添加子菜单";
      this.$refs.modalForm.disableSubmit = false;
      this.$refs.modalForm.edit({
        status: "1",
        permsType: "1",
        route: true,
        parentId: record.id,
        menuType: 1,
      });
    },
    handleExpandedRowsChange(expandedRows) {
      this.expandedRowKeys = expandedRows;
    },
  },
};
</script>
<style scoped>
@import "~@assets/less/common.less";
</style>
